I put this and a thrust nozle on my crf 230 and now i blow away my dads xr 250
UNBELIEVABLE service! I ordered this product on Wednesday afternoon around 1 p.m. and when I woke up Thursday around 10:30 it was at my door!! I didn't even go for the overnight shipping! Excellent service!
Nice to get higher revs just dont be stupid with it and over rev the hell out off it good mods worth the money.
i put this rev box on my crf 230 and raced my friends 400 scrambler, and blew my engine!! [Editorial Comment] For those of you who are concerned about this review...these rev boxes are one of the most popular performance add-ons available. This rev box is not responsible for this persons engien problems.